PM81485: AE FOR PM74659 WITH ABEND04E 00C90101 IN DSNIBHUN ERQUAL 501B OR 500F ON CONCURRENT SPT01 ROLLBACK

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APAR status

  • Closed as program error.

Error description

  • ABEND 04E RC00C90101 in DSNIBHUN ERQUAL501B or ERQUAL500F on
    concurrent SPT01 rollback. This is the AE apar for PM74659
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: ALL DB2 for z/OS V10 users                   *
    ****************************************************************
    * PROBLEM DESCRIPTION: The DB2 directory data base (DSNDB01)   *
    *                      could experience significant space      *
    *                      growth resulting from BIND/REBIND       *
    *                      operations, DDL or Utility activity.    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    SPT01 table space.
    The deleted space within the same UR that is performing a
    REBIND operation can not be reused until the UR is committed.
    In addition, the subsequent insert of the new package may
    not reuse the committed delete space promptly due to the
    clustering order of the record within the table space.
    As a result, the SPT01 table space could experience
    significant space growth resulting from a large volume of
    concurrent BIND/REBIND operations.
    

Problem conclusion

  • DB2 has been modified to allow a UR to reuse its own deleted
    space within the same commit scope if it has exclusive control
    of the page. In additional, the search algorithm has also been
    changed to reuse the deleted space sooner. In any case if the
    UR doing BIND/REBIND process needs to roll back, the log
    apply phase will process the log record by redoing the
    change physically instead of pseudo delete process.
    These changes only apply to the UTS table space created
    in the DB2 directory data base (DSNDB01).
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PM81485

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-25

  • Closed date

    2013-04-12

  • Last modified date

    2013-06-04

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    UK93436

Modules/Macros

  •    DSNIBHUN DSNIREPR DSNISGRT DSNISGSC DSNISUPI
    DSNKPOSI
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK93436

       UP13/05/02 P F305

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



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Document information


More support for:

DB2 for z/OS

Software version:

A10

Reference #:

PM81485

Modified date:

2013-06-04

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